1057852791 has 20 divisors (see below), whose sum is σ = 1583124312. Its totient is φ = 703952208.

The previous prime is 1057852781. The next prime is 1057852793. The reversal of 1057852791 is 1972587501.

1057852791 is a `hidden beast` number, since 1 + 0 + 578 + 5 + 2 + 79 + 1 = 666.

It is not a de Polignac number, because 1057852791 - 2²¹ = 1055755639 is a prime.

It is a super-2 number, since 2×1057852791² = 2238105054852979362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057852793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34005 + ... + 57201.

Almost surely, 2^1057852791 is an apocalyptic number.

1057852791 is a deficient number, since it is larger than the sum of its proper divisors (525271521).

1057852791 is an equidigital number, since it uses as much as digits as its factorization.

1057852791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23772 (or 23763 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The square root of 1057852791 is about 32524.6489758153. The cubic root of 1057852791 is about 1018.9238910464.

The spelling of 1057852791 in words is "one billion, fifty-seven million, eight hundred fifty-two thousand, seven hundred ninety-one".